<template>
  <div style="padding: 10px;">

    <!-- 功能区域 -->
    <div style="margin: 10px 0;">
      <el-button type="primary" @click="add">新增</el-button>
      <el-button type="primary">导入</el-button>
      <el-button type="primary">导出</el-button>
    </div>

    <!-- 搜索区域 -->
    <div style="margin: 10px 0;">
      <el-input v-model="search" style="width: 20%" placeholder="请输入内容" clearable></el-input>
      <el-button type="primary" style="margin-left: 5px;" @click="load">查询</el-button>
    </div>

    <!-- 表格区域 -->
    <div>
      <el-table 
        :data="tableData" 
        border 
        stripe
        style="width: 100%">
        <el-table-column prop="id" label="ID" sortable/>
        <el-table-column prop="username" label="用户名" />
        <el-table-column prop="nickName" label="昵称" />
        <el-table-column prop="age" label="年龄" sortable/>
        <el-table-column prop="sex" label="性别" />
        <el-table-column prop="address" label="地址" />
        <el-table-column fixed="right" label="操作" width="150px">
          <template #default="scope">
            <el-popconfirm title="确定删除吗？" @confirm="handleDelete(scope.row.id)">
              <template #reference>
                <el-button 
                  type="danger" 
                  size="small" 
                  style="border:1px solid gray; border-radius: 3px; padding: 5px 10px; background-color: #FD7A68; color: white;"
                  >
                  删除
                </el-button>
              </template>
            </el-popconfirm>
            <el-button
              size="small"
              style="border:1px solid gray; border-radius: 3px; padding: 5px 10px; color: #7A828F;"
              @click="handleEdit(scope.row)"
              >
              编辑
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 添加or修改框 -->
      <div style="margin: 10px 0;">
        <el-pagination
          style="margin-top: 10px"
          v-model:current-page="currentPage"
          v-model:page-size="pageSize"
          :page-sizes="[5, 10, 20]"
          :small="small"
          :disabled="disabled"
          :background="background"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
        />
        <el-dialog
          v-model="dialogVisible"
          title="新增用户"
          width="500"
          :before-close="handleClose"
          >
          <el-form :model="form" label-width="120px">
            <el-form-item label="用户名">
              <el-input v-model="form.username" style="width: 80%"/>
            </el-form-item>
            <el-form-item label="昵称">
              <el-input v-model="form.nickName" style="width: 80%"/>
            </el-form-item>
            <el-form-item label="年龄">
              <el-input v-model="form.age" style="width: 80%"/>
            </el-form-item>
            <el-form-item label="性别">
              <el-radio v-model="form.sex" value="男" size="large">男</el-radio>
              <el-radio v-model="form.sex" value="女" size="large">女</el-radio>
              <el-radio v-model="form.sex" value="其他" size="large">其他</el-radio>
            </el-form-item>
            <el-form-item label="地址">
              <el-input type="textarea" v-model="form.address" style="width: 80%"/>
            </el-form-item>
          </el-form>
          <template #footer>
            <div class="dialog-footer">
              <el-button @click="dialogVisible = false">取消</el-button>
              <el-button type="primary" @click="save">
              确定
              </el-button>
            </div>
          </template>
        </el-dialog>
      </div>
    </div>
    
    
  </div>
</template>

<script>

import request from '@/utils/request';

export default {
  name: 'Home',
  components: {

  },
  data() {
    return {
      form: {},
      dialogVisible: false,
      search: '',
      total: 0,
      pageSize: 5,
      currentPage: 1,
      tableData: []
    }
  },
  created() {
    this.load();
  },
  methods: {
    load() { // 刷新数据
      // 前端调试使用↓
      // this.currentPage = 1;
      // this.pageSize = 5;
      // this.search = '';
      // this.tableData = [
      //   {
      //     id: 1,
      //     username: '吉伊卡哇',
      //     nickName: '乌萨奇',
      //     age: 18,
      //     sex: '其他',
      //     address: '日本'
      //   },
      //   {
      //     id: 2,
      //     username: '吉伊卡哇',
      //     nickName: '小八',
      //     age: 18,
      //     sex: '其他',
      //     address: '日本'
      //   }
      // ];

      // 向后端发送请求
      request.get("/user", {
        params: {
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          search: this.search
        }
      }).then(res => {
        console.log(res);
        this.tableData = res.data.records;
        this.total = res.data.total;
      });
    },
    save() { // 保存填写内容

      // 前端调试使用↓
      // console.log(this.form);
      // this.tableData.push(this.form);
      // this.dialogVisible = false; // 关闭弹窗

      // 向后端发送form信息
      if (this.form.id) { // 更新
        request.put("/user", this.form).then(res => {
          console.log(res);
          if (res.code === '0') {
            this.$message({
              type: 'success',
              message: '更新成功'
            });
            this.load(); // 刷新数据
            this.dialogVisible = false; // 关闭弹窗
          } else {
            this.$message({
              type: 'error',
              message: res.msg
            });
          }
        });
      } else { // 新增
        request.post("/user", this.form).then(res => {
          console.log(res);
          if (res.code === '0') {
            this.$message({
              type: 'success',
              message: '新增成功'
            });
            this.load(); // 刷新数据
            this.dialogVisible = false; // 关闭弹窗
          } else {
            this.$message({
              type: 'error',
              message: res.msg
            });
          }
        });
      }
    },
    add() { // 新增
      this.form = {};
      this.dialogVisible = true;
    },
    handleDelete(id) { // 删除
      console.log(id);
      // 向后端发送请求
      request.delete("/user/" + id).then(res => {
        console.log(res);
        if (res.code === '0') {
          this.$message({
            type: 'success',
            message: '删除成功',
          });
          this.load(); // 刷新数据
        } else {
          this.$message({
            type: 'error',
            message: res.msg
          });
        }
      });
    },
    handleEdit(row) { // 编辑
      this.form = JSON.parse(JSON.stringify(row));
      console.log(this.form)
      this.dialogVisible = true;
    },
    handleSizeChange(pageSize) { // 改变当前每页的个数触发
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) { // 改变当前页码触发
      this.currentPage = pageNum;
      this.load();
    },
  }
}
</script>
